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Chemical reactions that absorb energy A. often occur spontaneously. B. will not occur without a source of energy. C. always require catalysts. D. are often explosive.

Chemical reactions that absorb energy A. often occur spontaneously. B. will not occur without a source of energy. C. always require catalysts. D. are often explosive.
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Chemical reactions that absorb energy

A. often occur spontaneously.
B. will not occur without a source of energy.
C. always require catalysts.
D. are often explosive.

asked
User Olshansky
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8.3k points

1 Answer

4 votes
It is b because you need to have energy
answered
User Floby
by
8.8k points
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